| The reports that the encryption didn't prevent them from obtaining the plaintext were erroneous. |
| Transpositions rearrange the symbols in the plaintext without changing the symbols themselves. |
| A political party in Mexico wants an encryption key broken, because it believes that the resulting plaintext will embarrass the ruling party. |
| When all other messages are plaintext, a single encrypted message is easily spotted. |
| This means that law enforcement could present decrypted plaintext in open court, but refuse to reveal to the defendant how that plaintext was obtained. |
| By building a device appropriately, it was possible to rebuild the plaintext without having decrypt the transmissions. |
